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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 2004-05-19 2024-11-21
n/a Peak Measurements 2004-07-07 2023-09-12
n/a Site Visits 2004-07-19 2024-10-19
n/a USGS Annual Water Data Reports Site 2007-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01644371 is associated with a Stream in Montgomery County, Maryland. Current conditions of Discharge and Gage height are available. Water data back to 2004 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01644371 n/a
Site name
LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD n/a
Site type
Stream
ST
DMS latitude 391353.3 n/a
DMS longitude 0771520.5 n/a
Decimal latitude 39.2314722 n/a
Decimal longitude -77.2556944 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Montgomery County 031
Country US n/a
Land net location description n/a
Name of location map GERMANTOWN n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 497.53 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNYNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
0.43 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a

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